Can I study abroad after graduating from three courses?

It's possible. Foreign education mechanism pays more attention to the all-round development of students' comprehensive quality and ability, so you can choose a country to apply for a school and major that suits you according to your own situation and specific needs, combined with your hobbies and future career planning and development direction, and make corresponding preparations for this. Generally speaking, studying abroad is a complicated matter. After all, it has played a major turning point in your life.